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Finding the Fourth Proportional to 964.51, 1,446.57 and 348.22

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Solution

The fourth proportional to 964.51, 1,446.57 and 348.22 is: 522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.51 : 1,446.57 = 348.22 : x
  2. Step 2: Convert to fraction form
    964.51/1,446.57 = 348.22/x
  3. Step 3: Cross multiply
    964.51x = 1,446.57 × 348.22
  4. Step 4: Simplify right side
    964.51x = 503,724.61
  5. Step 5: Solve for x
    x = 503,724.61/964.51
  6. Step 6: Final answer
    x = 522.26

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Double scale
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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.