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Finding the Fourth Proportional to 589.68, 881.10 and 434.52

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Solution

The fourth proportional to 589.68, 881.10 and 434.52 is: 649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.68 : 881.10 = 434.52 : x
  2. Step 2: Convert to fraction form
    589.68/881.10 = 434.52/x
  3. Step 3: Cross multiply
    589.68x = 881.10 × 434.52
  4. Step 4: Simplify right side
    589.68x = 382,855.57
  5. Step 5: Solve for x
    x = 382,855.57/589.68
  6. Step 6: Final answer
    x = 649.26

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.