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Finding the Fourth Proportional to 452.76, 623.88 and 336.12

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Solution

The fourth proportional to 452.76, 623.88 and 336.12 is: 463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.76 : 623.88 = 336.12 : x
  2. Step 2: Convert to fraction form
    452.76/623.88 = 336.12/x
  3. Step 3: Cross multiply
    452.76x = 623.88 × 336.12
  4. Step 4: Simplify right side
    452.76x = 209,698.55
  5. Step 5: Solve for x
    x = 209,698.55/452.76
  6. Step 6: Final answer
    x = 463.16

Related Problems

Find fourth proportional to 226.38, 311.94 and 168.06
Half scale
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Double scale
Find fourth proportional to 453.76, 625.26 and 337.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.