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Finding the Fourth Proportional to 616.07, 923.23 and 433.09

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Solution

The fourth proportional to 616.07, 923.23 and 433.09 is: 649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.07 : 923.23 = 433.09 : x
  2. Step 2: Convert to fraction form
    616.07/923.23 = 433.09/x
  3. Step 3: Cross multiply
    616.07x = 923.23 × 433.09
  4. Step 4: Simplify right side
    616.07x = 399,838.29
  5. Step 5: Solve for x
    x = 399,838.29/616.07
  6. Step 6: Final answer
    x = 649.01

Related Problems

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.