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Finding the Fourth Proportional to 615.02, 848.72 and 335.25

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Solution

The fourth proportional to 615.02, 848.72 and 335.25 is: 462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.02 : 848.72 = 335.25 : x
  2. Step 2: Convert to fraction form
    615.02/848.72 = 335.25/x
  3. Step 3: Cross multiply
    615.02x = 848.72 × 335.25
  4. Step 4: Simplify right side
    615.02x = 284,533.38
  5. Step 5: Solve for x
    x = 284,533.38/615.02
  6. Step 6: Final answer
    x = 462.64

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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.