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Finding the Fourth Proportional to 581.40, 798 and 532.14

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Solution

The fourth proportional to 581.40, 798 and 532.14 is: 730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.40 : 798 = 532.14 : x
  2. Step 2: Convert to fraction form
    581.40/798 = 532.14/x
  3. Step 3: Cross multiply
    581.40x = 798 × 532.14
  4. Step 4: Simplify right side
    581.40x = 424,647.72
  5. Step 5: Solve for x
    x = 424,647.72/581.40
  6. Step 6: Final answer
    x = 730.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.