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Finding the Fourth Proportional to 590.23, 885.66 and 394.75

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Solution

The fourth proportional to 590.23, 885.66 and 394.75 is: 592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.23 : 885.66 = 394.75 : x
  2. Step 2: Convert to fraction form
    590.23/885.66 = 394.75/x
  3. Step 3: Cross multiply
    590.23x = 885.66 × 394.75
  4. Step 4: Simplify right side
    590.23x = 349,614.29
  5. Step 5: Solve for x
    x = 349,614.29/590.23
  6. Step 6: Final answer
    x = 592.34

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1.5x scale

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.