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Finding the Fourth Proportional to 430.92, 594.14 and 314.28

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Solution

The fourth proportional to 430.92, 594.14 and 314.28 is: 433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.92 : 594.14 = 314.28 : x
  2. Step 2: Convert to fraction form
    430.92/594.14 = 314.28/x
  3. Step 3: Cross multiply
    430.92x = 594.14 × 314.28
  4. Step 4: Simplify right side
    430.92x = 186,724.75
  5. Step 5: Solve for x
    x = 186,724.75/430.92
  6. Step 6: Final answer
    x = 433.32

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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.