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Finding the Fourth Proportional to 615.11, 848.47 and 366.26

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Solution

The fourth proportional to 615.11, 848.47 and 366.26 is: 505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.11 : 848.47 = 366.26 : x
  2. Step 2: Convert to fraction form
    615.11/848.47 = 366.26/x
  3. Step 3: Cross multiply
    615.11x = 848.47 × 366.26
  4. Step 4: Simplify right side
    615.11x = 310,760.62
  5. Step 5: Solve for x
    x = 310,760.62/615.11
  6. Step 6: Final answer
    x = 505.21

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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.