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Finding the Fourth Proportional to 684.02, 944.48 and 536.38

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Solution

The fourth proportional to 684.02, 944.48 and 536.38 is: 740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    684.02 : 944.48 = 536.38 : x
  2. Step 2: Convert to fraction form
    684.02/944.48 = 536.38/x
  3. Step 3: Cross multiply
    684.02x = 944.48 × 536.38
  4. Step 4: Simplify right side
    684.02x = 506,600.18
  5. Step 5: Solve for x
    x = 506,600.18/684.02
  6. Step 6: Final answer
    x = 740.62

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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.