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Finding the Fourth Proportional to 624.98, 938.57 and 593.07

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Solution

The fourth proportional to 624.98, 938.57 and 593.07 is: 890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.98 : 938.57 = 593.07 : x
  2. Step 2: Convert to fraction form
    624.98/938.57 = 593.07/x
  3. Step 3: Cross multiply
    624.98x = 938.57 × 593.07
  4. Step 4: Simplify right side
    624.98x = 556,639.19
  5. Step 5: Solve for x
    x = 556,639.19/624.98
  6. Step 6: Final answer
    x = 890.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.