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Finding the Fourth Proportional to 431.26, 595.10 and 244.77

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Solution

The fourth proportional to 431.26, 595.10 and 244.77 is: 337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.26 : 595.10 = 244.77 : x
  2. Step 2: Convert to fraction form
    431.26/595.10 = 244.77/x
  3. Step 3: Cross multiply
    431.26x = 595.10 × 244.77
  4. Step 4: Simplify right side
    431.26x = 145,661.01
  5. Step 5: Solve for x
    x = 145,661.01/431.26
  6. Step 6: Final answer
    x = 337.76

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Find fourth proportional to 215.63, 297.55 and 122.38
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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.