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Finding the Fourth Proportional to 595.86, 821.88 and 374.76

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Solution

The fourth proportional to 595.86, 821.88 and 374.76 is: 516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.86 : 821.88 = 374.76 : x
  2. Step 2: Convert to fraction form
    595.86/821.88 = 374.76/x
  3. Step 3: Cross multiply
    595.86x = 821.88 × 374.76
  4. Step 4: Simplify right side
    595.86x = 308,007.75
  5. Step 5: Solve for x
    x = 308,007.75/595.86
  6. Step 6: Final answer
    x = 516.91

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Double scale
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1.5x scale

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.