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Finding the Fourth Proportional to 867.61, 1,301.62 and 593.83

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Solution

The fourth proportional to 867.61, 1,301.62 and 593.83 is: 890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    867.61 : 1,301.62 = 593.83 : x
  2. Step 2: Convert to fraction form
    867.61/1,301.62 = 593.83/x
  3. Step 3: Cross multiply
    867.61x = 1,301.62 × 593.83
  4. Step 4: Simplify right side
    867.61x = 772,941.00
  5. Step 5: Solve for x
    x = 772,941.00/867.61
  6. Step 6: Final answer
    x = 890.89

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Double scale
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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.