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Finding the Fourth Proportional to 554.76, 765.50 and 333.77

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Solution

The fourth proportional to 554.76, 765.50 and 333.77 is: 460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.76 : 765.50 = 333.77 : x
  2. Step 2: Convert to fraction form
    554.76/765.50 = 333.77/x
  3. Step 3: Cross multiply
    554.76x = 765.50 × 333.77
  4. Step 4: Simplify right side
    554.76x = 255,495.44
  5. Step 5: Solve for x
    x = 255,495.44/554.76
  6. Step 6: Final answer
    x = 460.55

Related Problems

Find fourth proportional to 277.38, 382.75 and 166.88
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Double scale
Find fourth proportional to 555.76, 766.87 and 334.77
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.