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Finding the Fourth Proportional to 480.10, 723.16 and 437.04

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Solution

The fourth proportional to 480.10, 723.16 and 437.04 is: 658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.10 : 723.16 = 437.04 : x
  2. Step 2: Convert to fraction form
    480.10/723.16 = 437.04/x
  3. Step 3: Cross multiply
    480.10x = 723.16 × 437.04
  4. Step 4: Simplify right side
    480.10x = 316,046.23
  5. Step 5: Solve for x
    x = 316,046.23/480.10
  6. Step 6: Final answer
    x = 658.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.