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Finding the Fourth Proportional to 695.07, 958.80 and 433.24

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Solution

The fourth proportional to 695.07, 958.80 and 433.24 is: 597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.07 : 958.80 = 433.24 : x
  2. Step 2: Convert to fraction form
    695.07/958.80 = 433.24/x
  3. Step 3: Cross multiply
    695.07x = 958.80 × 433.24
  4. Step 4: Simplify right side
    695.07x = 415,390.51
  5. Step 5: Solve for x
    x = 415,390.51/695.07
  6. Step 6: Final answer
    x = 597.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.