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Finding the Fourth Proportional to 503.68, 750.83 and 476.32

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Solution

The fourth proportional to 503.68, 750.83 and 476.32 is: 710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.68 : 750.83 = 476.32 : x
  2. Step 2: Convert to fraction form
    503.68/750.83 = 476.32/x
  3. Step 3: Cross multiply
    503.68x = 750.83 × 476.32
  4. Step 4: Simplify right side
    503.68x = 357,632.96
  5. Step 5: Solve for x
    x = 357,632.96/503.68
  6. Step 6: Final answer
    x = 710.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.