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Finding the Fourth Proportional to 666.01, 999.01 and 233.06

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Solution

The fourth proportional to 666.01, 999.01 and 233.06 is: 349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    666.01 : 999.01 = 233.06 : x
  2. Step 2: Convert to fraction form
    666.01/999.01 = 233.06/x
  3. Step 3: Cross multiply
    666.01x = 999.01 × 233.06
  4. Step 4: Simplify right side
    666.01x = 232,831.77
  5. Step 5: Solve for x
    x = 232,831.77/666.01
  6. Step 6: Final answer
    x = 349.59

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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.