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Finding the Fourth Proportional to 476.19, 657.13 and 336.16

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Solution

The fourth proportional to 476.19, 657.13 and 336.16 is: 463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.19 : 657.13 = 336.16 : x
  2. Step 2: Convert to fraction form
    476.19/657.13 = 336.16/x
  3. Step 3: Cross multiply
    476.19x = 657.13 × 336.16
  4. Step 4: Simplify right side
    476.19x = 220,895.85
  5. Step 5: Solve for x
    x = 220,895.85/476.19
  6. Step 6: Final answer
    x = 463.88

Related Problems

Find fourth proportional to 238.10, 328.56 and 168.08
Half scale
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Double scale
Find fourth proportional to 477.19, 658.50 and 337.16
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.