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Finding the Fourth Proportional to 624.98, 942.22 and 591.50

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Solution

The fourth proportional to 624.98, 942.22 and 591.50 is: 891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.98 : 942.22 = 591.50 : x
  2. Step 2: Convert to fraction form
    624.98/942.22 = 591.50/x
  3. Step 3: Cross multiply
    624.98x = 942.22 × 591.50
  4. Step 4: Simplify right side
    624.98x = 557,322.90
  5. Step 5: Solve for x
    x = 557,322.90/624.98
  6. Step 6: Final answer
    x = 891.74

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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.