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Finding the Fourth Proportional to 410.36, 565.76 and 340.16

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Solution

The fourth proportional to 410.36, 565.76 and 340.16 is: 468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.36 : 565.76 = 340.16 : x
  2. Step 2: Convert to fraction form
    410.36/565.76 = 340.16/x
  3. Step 3: Cross multiply
    410.36x = 565.76 × 340.16
  4. Step 4: Simplify right side
    410.36x = 192,448.92
  5. Step 5: Solve for x
    x = 192,448.92/410.36
  6. Step 6: Final answer
    x = 468.98

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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.