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Finding the Fourth Proportional to 1,038.11, 1,432.49 and 595.93

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Solution

The fourth proportional to 1,038.11, 1,432.49 and 595.93 is: 822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.11 : 1,432.49 = 595.93 : x
  2. Step 2: Convert to fraction form
    1,038.11/1,432.49 = 595.93/x
  3. Step 3: Cross multiply
    1,038.11x = 1,432.49 × 595.93
  4. Step 4: Simplify right side
    1,038.11x = 853,656.60
  5. Step 5: Solve for x
    x = 853,656.60/1,038.11
  6. Step 6: Final answer
    x = 822.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.