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Finding the Fourth Proportional to 602.55, 903.60 and 294.21

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Solution

The fourth proportional to 602.55, 903.60 and 294.21 is: 441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.55 : 903.60 = 294.21 : x
  2. Step 2: Convert to fraction form
    602.55/903.60 = 294.21/x
  3. Step 3: Cross multiply
    602.55x = 903.60 × 294.21
  4. Step 4: Simplify right side
    602.55x = 265,848.16
  5. Step 5: Solve for x
    x = 265,848.16/602.55
  6. Step 6: Final answer
    x = 441.21

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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.