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Finding the Fourth Proportional to 632.37, 948.22 and 340.22

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Solution

The fourth proportional to 632.37, 948.22 and 340.22 is: 510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.37 : 948.22 = 340.22 : x
  2. Step 2: Convert to fraction form
    632.37/948.22 = 340.22/x
  3. Step 3: Cross multiply
    632.37x = 948.22 × 340.22
  4. Step 4: Simplify right side
    632.37x = 322,604.93
  5. Step 5: Solve for x
    x = 322,604.93/632.37
  6. Step 6: Final answer
    x = 510.15

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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.