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Finding the Fourth Proportional to 671.08, 926.08 and 435.12

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Solution

The fourth proportional to 671.08, 926.08 and 435.12 is: 600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.08 : 926.08 = 435.12 : x
  2. Step 2: Convert to fraction form
    671.08/926.08 = 435.12/x
  3. Step 3: Cross multiply
    671.08x = 926.08 × 435.12
  4. Step 4: Simplify right side
    671.08x = 402,955.93
  5. Step 5: Solve for x
    x = 402,955.93/671.08
  6. Step 6: Final answer
    x = 600.46

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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.