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Finding the Fourth Proportional to 624.46, 937.50 and 522.40

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Solution

The fourth proportional to 624.46, 937.50 and 522.40 is: 784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.46 : 937.50 = 522.40 : x
  2. Step 2: Convert to fraction form
    624.46/937.50 = 522.40/x
  3. Step 3: Cross multiply
    624.46x = 937.50 × 522.40
  4. Step 4: Simplify right side
    624.46x = 489,750
  5. Step 5: Solve for x
    x = 489,750/624.46
  6. Step 6: Final answer
    x = 784.28

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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.