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Finding the Fourth Proportional to 590.34, 885.36 and 243.77

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Solution

The fourth proportional to 590.34, 885.36 and 243.77 is: 365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.34 : 885.36 = 243.77 : x
  2. Step 2: Convert to fraction form
    590.34/885.36 = 243.77/x
  3. Step 3: Cross multiply
    590.34x = 885.36 × 243.77
  4. Step 4: Simplify right side
    590.34x = 215,826.42
  5. Step 5: Solve for x
    x = 215,826.42/590.34
  6. Step 6: Final answer
    x = 365.60

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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.