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Finding the Fourth Proportional to 608.83, 840.30 and 360.14

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Solution

The fourth proportional to 608.83, 840.30 and 360.14 is: 497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.83 : 840.30 = 360.14 : x
  2. Step 2: Convert to fraction form
    608.83/840.30 = 360.14/x
  3. Step 3: Cross multiply
    608.83x = 840.30 × 360.14
  4. Step 4: Simplify right side
    608.83x = 302,625.64
  5. Step 5: Solve for x
    x = 302,625.64/608.83
  6. Step 6: Final answer
    x = 497.06

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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.