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Finding the Fourth Proportional to 603.36, 830.48 and 602.08

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Solution

The fourth proportional to 603.36, 830.48 and 602.08 is: 828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.36 : 830.48 = 602.08 : x
  2. Step 2: Convert to fraction form
    603.36/830.48 = 602.08/x
  3. Step 3: Cross multiply
    603.36x = 830.48 × 602.08
  4. Step 4: Simplify right side
    603.36x = 500,015.40
  5. Step 5: Solve for x
    x = 500,015.40/603.36
  6. Step 6: Final answer
    x = 828.72

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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.