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Finding the Fourth Proportional to 624.02, 935.10 and 555.68

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Solution

The fourth proportional to 624.02, 935.10 and 555.68 is: 832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.02 : 935.10 = 555.68 : x
  2. Step 2: Convert to fraction form
    624.02/935.10 = 555.68/x
  3. Step 3: Cross multiply
    624.02x = 935.10 × 555.68
  4. Step 4: Simplify right side
    624.02x = 519,616.37
  5. Step 5: Solve for x
    x = 519,616.37/624.02
  6. Step 6: Final answer
    x = 832.69

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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.