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Finding the Fourth Proportional to 435.06, 604.55 and 430.62

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Solution

The fourth proportional to 435.06, 604.55 and 430.62 is: 598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.06 : 604.55 = 430.62 : x
  2. Step 2: Convert to fraction form
    435.06/604.55 = 430.62/x
  3. Step 3: Cross multiply
    435.06x = 604.55 × 430.62
  4. Step 4: Simplify right side
    435.06x = 260,329.17
  5. Step 5: Solve for x
    x = 260,329.17/435.06
  6. Step 6: Final answer
    x = 598.38

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.