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Finding the Fourth Proportional to 612.44, 919.88 and 597.88

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Solution

The fourth proportional to 612.44, 919.88 and 597.88 is: 898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.44 : 919.88 = 597.88 : x
  2. Step 2: Convert to fraction form
    612.44/919.88 = 597.88/x
  3. Step 3: Cross multiply
    612.44x = 919.88 × 597.88
  4. Step 4: Simplify right side
    612.44x = 549,977.85
  5. Step 5: Solve for x
    x = 549,977.85/612.44
  6. Step 6: Final answer
    x = 898.01

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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.